[Asterisk-Users] PSTN gateway implementation?

[Alejandro Sosa]

This is an upgrade from a previous system. The old one didn't handle
PRI, so they had analog phone lines as trunks. Management won't invest
the money right now to get a PRI circuit.
Any suggestions?

> -----Original Message-----
> From: asterisk-users-admin at lists.digium.com [mailto:asterisk-users-
> admin at lists.digium.com] On Behalf Of Andrew Kohlsmith
> Sent: Monday, July 19, 2004 4:59 PM
> To: asterisk-users at lists.digium.com
> Subject: Re: [Asterisk-Users] PSTN gateway implementation?
> 
> > -I have a TE405P board and only one T1 worth of phone lines (24)
> > connected to it using an Adtran TA750 channel bank.
> 
> Any particular reason against using PRI from your telco?
> 
> > Is Asterisk capable of handling multiple incoming VoIP calls
arriving
> > from the same source (IP) or do I need to get something else to take
the
> > incoming traffic and pass it on to Asterisk? (I've read about using
SER
> > as a SIP proxy, but it's not clear to me wheather I need it or not).
Can
> > I use the OpenH.323 module to take care of the incoming VoIP
traffic?
> 
> Asterisk can handle multiple calls from the same IP without any worry.
> Your
> main worry is the lack of real billing since you're terminating to
analog
> PSTN instead of using PRI -- you have no way of actually knowing if
the
> call
> was answered or not, so he'll be billed on every call.  I doubt you
want
> to
> try and work with callprogress=yes.
> 
> -A.
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